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Photoshop CS4, Volume 2: Visual QuickStart Guide by Peter Lourekas, Elaine Weinmann

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5. Selecting & Masking

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To edit, adjust, copy, or move only part of a layer, you must select that area first to isolate it.A To hide or reveal part of a layer, you can use a mask. Creating selections and masks is prep work—and the more careful the prep, the better the results. Like house painting, ...

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